It seems that this bug is actually that Juju doesn't handle `certificate-authority` well, as if I edit `~/.kube/config` to convert `certificate-authority` to the `certificate-authority-data` option and inline the contents of `/home/ubuntu/.minikube/ca.crt`, it works fine.
It seems that this bug is actually that Juju doesn't handle `certificate- authority` well, as if I edit `~/.kube/config` to convert `certificate- authority` to the `certificate- authority- data` option and inline the contents of `/home/ ubuntu/ .minikube/ ca.crt` , it works fine.